package nettyTest.netty3Test.objectEcho;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.serialization.ClassResolvers;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

public class ObjectEchoClient {
	static final boolean SSL = System.getProperty("ssl") != null;
	static final String HOST = System.getProperty("host", "127.0.0.1");
	static final int PORT = Integer.parseInt(System.getProperty("port", "8007"));
	static final int SIZE = Integer.parseInt(System.getProperty("size", "256"));

	public static void main(String[] args) throws Exception {
		// Configure SSL.
		final SslContext sslCtx;
		if (SSL) {
			sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
		} else {
			sslCtx = null;
		}

		EventLoopGroup group = new NioEventLoopGroup();
		try {
			Bootstrap b = new Bootstrap();
			b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
				@Override
				public void initChannel(SocketChannel ch) throws Exception {
					ChannelPipeline p = ch.pipeline();
					if (sslCtx != null) {
						p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
					}
					p.addLast(new ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)), new ObjectEchoClientHandler());
				}
			});

			// Start the connection attempt.
			b.connect(HOST, PORT).sync().channel().closeFuture().sync();
		} finally {
			group.shutdownGracefully();
		}
	}
}
